lib/lstat.c

   1 /* Work around the bug in some systems whereby lstat succeeds when
   2    given the zero-length file name argument.  The lstat from SunOS4.1.4
   3    has this bug.
   4    Copyright (C) 1997 Free Software Foundation, Inc.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2, or (at your option)
   9    any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software Foundation,
  18    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 /* written by Jim Meyering */
  21
  22 #include <config.h>
  23
  24 /* Disable the definition of lstat to rpl_lstat (from config.h) in this
  25    file.  Otherwise, we'd get conflicting prototypes for rpl_lstat on
  26    most systems.  */
  27 #undef lstat
  28
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31 #include <errno.h>
  32 #ifndef errno
  33 extern int errno;
  34 #endif
  35
  36 /* FIXME: describe.  */
  37
  38 int
  39 rpl_lstat (file, sbuf)
  40      const char *file;
  41      struct stat *sbuf;
  42 {
  43   if (file && *file == 0)
  44     {
  45       errno = EINVAL;
  46       return -1;
  47     }
  48
  49   return lstat (file, sbuf);
  50 }